commit c369bd7c503dd748ae1697858f13291bfda6ed80
author Chris Lattner <sabre@nondot.org> Fri Sep 21 18:25:53 2007 +0000
committer Chris Lattner <sabre@nondot.org> Fri Sep 21 18:25:53 2007 +0000
tree e77ff6f20c7e0b2352538e1b626df0964a606f18
parent f7a4e2a8285080f0285465e40828b83c78f8f154

don't read Block after it is freed.  This fixes PR1684


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42204 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/DwarfWriter.cpp

diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 121ef1d..ed4de7d 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1301,7 +1301,9 @@
       ValuesSet.InsertNode(Value, Where);
       Values.push_back(Value);
     } else {
+      // Already exists, reuse the previous one.
       delete Block;
+      Block = cast<DIEBlock>(Value);
     }
   
     Die->AddValue(Attribute, Block->BestForm(), Value);